Weak transition matrix elements from finite-volume correlation functions
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Publication:5940424
DOI10.1007/S002200100410zbMATH Open0989.81138arXivhep-lat/0003023OpenAlexW3099724069MaRDI QIDQ5940424
Author name not available (Why is that?)
Publication date: 9 August 2001
Published in: (Search for Journal in Brave)
Abstract: The two-body decay rate of a weakly decaying particle (such as the kaon) is shown to be proportional to the square of a well-defined transition matrix element in finite volume. Contrary to the physical amplitude, the latter can be extracted from finite-volume correlation functions in euclidean space without analytic continuation. The K -> pi pi transitions and other non-leptonic decays thus become accessible to established numerical techniques in lattice QCD.
Full work available at URL: https://arxiv.org/abs/hep-lat/0003023
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